| Characteristic of AS | Smoking + n=77 |
Smoking- n=137 |
p | ||
|---|---|---|---|---|---|
| Average age (years) | 38.84 | 40.29 | 0.618 | ||
| Sex | M F |
75(35%) 2(1%) |
55(25 .7%) 82(38.3%) |
≤0.0001 | |
| Term evolution | Average ≤2 >2 |
8.77±7.06 60(66.7%) 17(27.4%) |
7.53±5.86 41(33.3%) 96 (72.6%) |
0.176 | |
| Disease activity | BASDAI | ≤4 >4 |
28(13.1%) 49(22.9%) |
43(20.1%) 94(43.9%) |
0 .004 |
| ASDAS CRP | Low medium high |
10(1.6%) 16(16.1%) 51(82.3%) |
12(6.5%) 14(11.4%) 111(82.1%) |
0.036 | |
| Inflammatory systemic syndrome | YES NO |
33(15.4%) 44(20.6%) |
35(16.4%) 102(47.7%) |
0.023 | |
| Severity of disease | YES NO |
59(27.6%) 18(8.4%) |
69(32.2%) 68(31.8%) |
≤0.001 | |
| Functional impairment | BASFI≥4 BASFI<4 |
54(25.2%) 25(10.7%) |
59(27.6%) 78 (36.4%) |
0.038 | |
| Cervical stiffness | YES NO |
46(21.5%) 31(14.5%) |
71(33.2%) 66(30.8%) |
0.031 | |
| Back stiffness | YES NO |
43(20.1%) 34 (15.9%) |
52(24.3%) 84(39.7%) |
0.009 | |
| Lumbar stiffness | YES NO |
63(29.4%) 14(6.5%) |
98(45.8%) 39(18.2%) |
0.064 | |
| ESR (1st Hour) | 37,61 | 36,63 | 0.824 | ||
| CRP | 36,63 | 25,20 | 0.084. | ||